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中国临床药理学与治疗学 ›› 1997, Vol. 2 ›› Issue (1): 27-29.

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盐酸他可林在不同月龄大鼠体内的药物动力学比较

印晓星, 唐性春, 颜梅, 胡刚   

  1. 徐州医学院药理学教研室,徐州 221002
  • 收稿日期:1997-01-13 修回日期:1997-02-15 出版日期:1997-03-26 发布日期:2020-12-04
  • 作者简介:印晓星,男,30岁,讲师,硕士,主要从药物动力学的研究。胡刚,男,35岁。副教授,博士,教研室主任,主要从事神经药理学的研究。
  • 基金资助:
    江苏省自然科学基金资助课题No. BK95123313

Comparision of pharmacokinetics of tacrine between young rats and aged rats

Yin Xiaoxing, Tang Xingchuen, Yan Mei, Hu Gang   

  1. Department of Pharmacology, Xuzhou Medical College, Xuzhou 221002
  • Received:1997-01-13 Revised:1997-02-15 Online:1997-03-26 Published:2020-12-04

摘要: 目的 研究并比较盐酸他可林(THA)在不同月龄大鼠体内的药物动力学。方法 青年大鼠和老龄大鼠分别iv和ig THA 8mg/kg后,定时采血,用反相高效液相色谱法测定血药浓度,计算机拟合房室模型,并计算药动学参数。结果 两种大鼠静注或灌胃给药后,血药浓度一时间关系符合二室模型;老龄大鼠大多数时间点的血药浓度显著高于青年大鼠;老龄大鼠静注的药动学参数T1/2α、T1/2β和AUC分别比青年大鼠大80%、63%和62%;而灌胃时Ti/2、Ti/zg、AUC、Cn和T,分别比青年大鼠大29%、56%、100%、68%和21%,两种动物相比有显著性或非常显著性差异(P<0.05或P<0.01)。结论 THA在老龄大鼠的吸收、分布,尤其是消除明显比青年大鼠慢。

关键词: 盐酸他可林, 青年大鼠, 老龄大鼠, 药物动力学, 高效液相

Abstract: Aim To compare the pharmacokinetics of tacrine (THA)between young rats and aged rats.Methods After ig and iv THA 8 mg/kg,the plasma THA concentrations in rats were determined by reversed phase HPLC.The compartment model and the pharmacokinetic parameters were calculated by CAPP software.Results The concentration-time curve was de-scribed by a two-compartment open model.The concentrations of THA in aged rats were much higher than those in normal rats.After iv administration, the main pharmacokinetic paramaters in young rats such as T1/2α,T1/2β and AUC were 10±6 min, 60±6 min, and 34±13g/ min·L, while those in aged rats were 18±3 min, 98±19 min, and 55±7 g/ min·L, re-spectively.After ig THA,the values of T1/2α,T1/2β,AUC, Gm and Tp in young rats were 7±2min,63±8 min,12±5 g/ min·L, 130±58 μg/L, and 19±2 min,while those in aged rats were 9±1 min, 98±28 min, 24±10 g/min·L,218±72 μg/L,23+2 min, respectively.The parameters were significant differences between the two kinds of rats (P<0.05 or P<0.01).Conclusion The absorption, distribution and elimination of THA in aged rats were slower than those in young rats.

Key words: tacrine, young rat, aged rat, pharmacokinetics, HPLC

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